Hugh Rocks
Exam review
Terms
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- aquifer
- storages of water underground
- groups
- columns on the periodic table
- precipitation
- water falling back down to earth in the form of rain, hail, sleet, or snow
- coefficients
- the big number to the left of a symbol
- the law of conservation of matter
- matter can't be created or destroyed but changed fromone form to another
- depleted ozone
- allows more harmful UV rays in
- elements
- things found on the periodic table
- food chain
- a sequence in which energy is transerred from one organism to the next as each organism eats each other
- neutrons
- have no charge
- conduction
- the transfer of energy by direct contact
- evaporation
- when the sun heats up water and turns it intowater vapor
- radiation
- the transfer of energy in the forms of waves, rays, and particles
- niche
- a way of life
- reactants
- are on the left side of the arrow
- trophic level
- each step in the transfer of energy through an ecosystem
- organic compound
- able to be used
- temperature
- the measurement of the movement of molecules in a substance
- cellular respiration
- the process of breaking down food to yield energy
- CFC's
- chlorofluorocarbons
- motreal protocol
- an agreement signed by 100 countries to limit the use of CFC's
- yield
- the arrow symbol
- habitat
- theplace an animal lives
- energy
- ability to move or perform work
- biotic factors
- living parts of an ecosystem
- chemical change
- something that changes into a new substance
- chloroplast
- is where photosynthesis takes place within a cell
- energy clouds
- surround the nucleus and contain electrons
- non-metals
- are brittle and poor conductors of heat and electricity
- ozone
- a gas in our atmosphere that protects us from harmful UV rays
- omnivore
- eats both plants and meat
- nitrogen cycle
- the flow of nitrogen, in all of its forms, throughout the atmosphere
- compound
- a mixture of atoms
- bad ozone
- is located in the troposphere
- element symbol
- represents the element
- heat
- the total energy of random movement of molecules in a substance
- insulator
- slows energy transfer
- ecosystem
- all of the different organisms living in a certain area along with their environment
- transpiration
- the process by which water is released into the atmosphere by plants
- herbivore
- eats only plants
- decomposers
- break down dead organisms
- greenhouse effect
- a layer of gases in the troposphere that allows much of the sun's solar radiation in, but traps the heat radiation coming off the earth
- good ozone
- is located in the stratosphere
- atomic mass unit
- the mass of the nucleus
- condensation
- the forming of tiny water dropletsin clouds as the water vapor cools in the atmosphere
- atomic number
- the amount of protons witin an element
- metals
- are ductile, malleable, and conduct heat and electricity very well
- consumer
- organisms that get their energy by eating other organisms
- ozone is made up of
- O3
- matter
- anything that has mass and takes up space
- water cycle
- the movement of water from place to place and from one form to another
- nitrogen fixation
- the process of converting nitrogen gas into a form plants can use
- electrons
- have a negative charge
- states of matter
- solid, liquid, and gas
- producer
- an organism that produces its own food
- periods
- rows on the periodic table
- metalloids
- hybrid
- mitochondria
- is where cellular respiration takes place within a cell
- products
- are on the right side of the arrow
- ground water
- a layer of underground water
- inorganic compound
- not able to be used
- atom
- smallest piece of matter
- photosynthesis
- the process by which producers make food by using sunlight asenergy
- convection
- the transfer of heat energy in a gas orliquid by means of the current within
- carbon cycle
- the movement of carbon, in all of its forms, throughout the atmosphere
- abiotic factors
- non-living parts of an ecosystem
- protons
- have a positivecharge
- 1st law of thermodynamics
- energy can't be created or destroyed but chnged in form
- subscripts
- the small number at the bottom next to a symbol
- carnivore
- eats only meat
- food web
- when the feeding relationships among the various organisms in an ecosystem form a network of complex interactions
- conductor
- allows energy transfer
- physical change
- something that changes its physical form
- sustainable
- living
- nucleus
- the positively charged dense center of an atom